US7515117B2 - Driving method for plasma display panel - Google Patents

Driving method for plasma display panel Download PDF

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Publication number
US7515117B2
US7515117B2 US11/069,942 US6994205A US7515117B2 US 7515117 B2 US7515117 B2 US 7515117B2 US 6994205 A US6994205 A US 6994205A US 7515117 B2 US7515117 B2 US 7515117B2
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polarity pulse
sustain electrode
display panel
plasma display
sustain
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US11/069,942
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US20050195134A1 (en
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Seong-Hak Moon
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LG Electronics Inc
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LG Electronics Inc
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/28—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels
    • G09G3/288—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels
    • G09G3/296—Driving circuits for producing the waveforms applied to the driving electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B1/00—General arrangement of stations, platforms, or sidings; Railway networks; Rail vehicle marshalling systems
    • B61B1/02—General arrangement of stations and platforms including protection devices for the passengers
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/18—Balustrades; Handrails
    • E04F11/1802—Handrails mounted on walls, e.g. on the wall side of stairs
    • E04F11/1804—Details of anchoring to the wall
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/18—Balustrades; Handrails
    • E04F11/1802—Handrails mounted on walls, e.g. on the wall side of stairs
    • E04F11/1808—Handrail members; Connections between handrail members
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/28—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels
    • G09G3/288—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/28—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels
    • G09G3/288—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels
    • G09G3/291—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes
    • G09G3/294—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes for lighting or sustain discharge
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/28—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels
    • G09G3/288—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels
    • G09G3/291—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes
    • G09G3/294—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes for lighting or sustain discharge
    • G09G3/2946—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes for lighting or sustain discharge by introducing variations of the frequency of sustain pulses within a frame or non-proportional variations of the number of sustain pulses in each subfield
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F1/00—Construction of station or like platforms or refuge islands or like islands in traffic areas, e.g. intersection or filling-station islands; Kerbs specially adapted for islands in traffic areas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/06—Details of flat display driving waveforms
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0228—Increasing the driving margin in plasma displays
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/043—Preventing or counteracting the effects of ageing
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/06—Handling electromagnetic interferences [EMI], covering emitted as well as received electromagnetic radiation

Definitions

  • the present invention relates to a driving method for a plasma display panel (PDP), and particularly, to a driving method for a plasma display panel capable of improving luminous efficiency thereof and prolonging a life span thereof.
  • PDP plasma display panel
  • a general plasma display panel is typically a display in which ultraviolet rays generated by the discharge of inactive gas, which is obtained by mixing helium (He) and xenon (Xe) or neon (Ne) and xenon (Xe), excite phosphors to realize images including texts or graphics.
  • the plasma display panel is characterized by facilitating its scale-up, and providing a superior image quality and a fast response speed. Also, since the plasma display panel is possible to be thin, it attracts attention as a wall-mounted display together with a field emission display, a thin film transistor liquid crystal display, or the like.
  • a monochromatic plasma display panel device directly uses visible rays emitted from a discharge gas in order to display images.
  • a discharge gas there may, for instance, be a PDP using orange rays given out from a neon (Ne) gas.
  • the PDP uses visible rays generated by allowing ultraviolet rays generated from the discharge gas such as krypton (Kr) or Xenon (Xe) to excite phosphors for red (R), green (G), and blue (B).
  • the plasma display panel is a display device using a discharge of gas so as to be also called as a gas discharge display device.
  • the plasma display panel is classified depending on types of the discharge into a DC type, an AC type, or a hybrid type.
  • the DC type has characteristics that an electrode used for applying a voltage supplied from the external to form the plasma is directly exposed to the plasma and thus a conduction current directly flows through the electrode.
  • the AC type has characteristics that the electrode is covered with a dielectric not to be directly exposed to the plasma and thus a displacement current flows through the electrode.
  • the plasma display panel may also be classified depending on how the electrode is arranged into an opposed discharge type, a surface discharge type, a barrier discharge type, or the like.
  • a three-electrode surface discharge type alternating current plasma display panel is comprised of: sustain electrodes located in parallel at a lower portion of a same upper glass substrate; an upper substrate including a dielectric covering the sustain electrodes; and a lower substrate placed at an upper portion of the lower glass substrate, having a certain interval by a barrier structure, and including an address electrode which is formed to be intersected with the sustain electrodes in its vertical direction.
  • the discharge gas is sealed in a space between the upper and lower substrates and the barrier structure is sealed.
  • wall charges are accumulated on the surface of the dielectric which covers the sustain electrodes during the discharge for the display panel, and displays data using memory characteristics by the accumulated wall charge.
  • FIGS. 1 through 3 it will be explained a sustain discharge driving method by illustrating the general three-electrode surface discharge type alternating current plasma display panel.
  • FIG. 1 briefly shows discharge cells in the general three-electrode surface discharge type alternating current plasma display panel.
  • a single discharge cell of the general three-electrode surface discharge type alternating current plasma display panel (hereinafter, the plasma display panel) is comprised of: two sustain electrodes (Y electrode and Z electrode) located on the same surface, address electrode (X electrode) vertically intersecting with the sustain electrodes, and phosphor placed between the sustain electrodes and the address electrode.
  • FIG. 2 shows operational waveforms applied to each electrode while sustaining a discharge for the general plasma display panel based on the conventional art.
  • FIG. 3 shows charges formed on each electrode while sustaining the discharge for the general plasma display panel based on the conventional art.
  • the sustain discharge is performed by alternately applying a first predetermined positive voltage pulse Vsy and a second predetermined positive voltage pulse Vsz to the discharge sustain electrodes (Y sustain electrode and Z sustain electrode).
  • a first predetermined positive voltage pulse Vsy and a second predetermined positive voltage pulse Vsz to the discharge sustain electrodes (Y sustain electrode and Z sustain electrode).
  • positive charges are always accumulated in the address electrode (X electrode) without regard to the first and second predetermined positive voltage pulses Vsy and Vsz applied to the Y sustain electrode and the Z sustain electrode while sustaining the discharge for the plasma display panel based on the conventional art.
  • an object of the present invention is to provide a driving method for a plasma display panel capable of prolonging a life span of the plasma display panel and improving luminous efficiency thereof by preventing an accumulation of positive charges in address electrodes by means of applying voltage pulses having different polarities and sizes to each sustain electrode of a pair of sustain electrodes while sustaining a discharge of the plasma display panel.
  • a driving method for a plasma display panel in which, when sustaining a discharge for the plasma display panel, voltage pulses having different polarities and sizes are applied to a pair of sustain electrodes of the plasma display panel.
  • FIG. 1 briefly shows a discharge cell in the general three-electrode surface discharge type alternating current plasma display panel
  • FIG. 2 shows operational waveforms applied to each electrode while sustaining a discharge for the general plasma display panel based on the conventional art
  • FIG. 3 shows charges formed on each electrode while sustaining the discharge for the general plasma display panel based on the conventional art
  • FIG. 4 shows waveforms of sustain discharge pulses applied to each electrode in a sustain discharge in accordance with an embodiment of the driving method for the plasma display panel of the present invention
  • FIG. 5 shows waveforms of sustain discharge pulses applied to each electrode in the sustain discharge in accordance with an embodiment of the driving method for the plasma display panel of the present invention
  • FIG. 6 shows charges accumulated on each electrode of the plasma display panel when applying sustain discharge pulses to sustain electrodes as shown in FIG. 4 ;
  • FIG. 7 shows charges accumulated on each electrode of the plasma display panel when applying sustain discharge pulses to the sustain electrodes as shown in FIG. 5 .
  • FIGS. 4 through 7 it will be explained in detail of a driving method for a plasma display panel capable of prolonging a life span of the plasma display panel and improving luminous efficiency thereof by preventing an accumulation of positive charges on address electrodes by means of applying voltage pulses having different polarities and sizes to each sustain electrode of a pair of sustain electrodes, when sustaining a discharge of the plasma display panel.
  • An apparatus for performing the driving method for the plasma display panel according to the present invention preferably includes a sustain electrode driver which can drive sustain electrodes (Y electrode and Z electrode) by applying positive or negative voltage pulses (i.e., sustain discharge pulse).
  • the sustain electrode driver includes a plurality of switching units which are controlled by a switching control signal inputted from the external, and a driving voltage controller capable of controlling positive or negative driving voltages inputted to the sustain electrodes.
  • the plurality of switching units apply the sustain discharge pulses to the sustain electrodes (Y electrode and Z electrode) depending on the switching control signal, and the sustain discharge pulses are generated by a separate sustain discharge pulse circuit to be applied to the sustain electrodes (Y electrode and Z electrode).
  • FIGS. 4 and 5 show waveforms of the sustain discharge pulses applied to each electrode while sustaining the discharge in an embodiment of the driving method for the plasma display panel according to the present invention.
  • a positive voltage pulse and a negative voltage pulse are alternately applied to the sustain electrodes (Y electrode and Z electrode) of a discharge cell.
  • the positive voltage pulse and the negative voltage pulse applied to each sustain electrode have different sizes from each other.
  • the waveforms of the sustain discharge pulses as shown in FIG. 4 correspond to a case where the positive voltage pulse has a size smaller than that of the negative voltage pulse, while the waveforms of the sustain discharge pulses as shown in FIG. 5 correspond to a case where the positive voltage pulse has a size greater than that of the negative voltage pulse.
  • the positive voltage pulse and the negative voltage pulse applied to the Y sustain electrode and the positive voltage pulse and the negative voltage pulse applied to the Z sustain electrode may have the ratio of sizes therebetween of 1:2 shown in FIG. 4 or 2:1 shown in FIG. 5 . That is, as shown in FIG. 4 , the Y sustain electrode receives the voltage pulses of ⁇ Vsy and
  • the Y sustain electrode receives the voltage pulses of +Vsy and
  • the Z sustain electrode receives the voltage pulses of
  • the voltage pulses applied to the sustain electrodes may be generated by including a voltage-multiplication circuit in the sustain voltage pulse circuit of the sustain electrode driver (not shown) which drives the sustain electrodes (Y electrode and Z electrode). That is, in case of applying a high voltage, the applied voltage of
  • ⁇ Vsy 2 ⁇ ⁇ or ⁇ ⁇ Vsz 2 is changed to ⁇ Vsy or ⁇ Vsz through the voltage-multiplication circuit and then applied to the sustain electrodes. While, in case of applying a low voltage, the applied voltage
  • the ratio of sizes of the sustain voltage pulses as 1:2 or 2:1, if constructing a circuit in which the size of the applied voltage is optionally controlled and outputted, the ratio of sizes of the positive voltage pulse and the negative voltage pulse applied to each sustain electrode can be controlled optionally.
  • a negative voltage pulse is applied to the Y sustain electrode of a discharge cell and simultaneously a positive voltage pulse is applied to the Z sustain electrode during a first predetermined time. Then, a ground voltage is simultaneously applied to both the Y and Z sustain electrodes during a second predetermined time. Afterwards, the positive voltage pulse is applied to the Y sustain electrode and simultaneously the negative voltage pulse is applied to the Z sustain electrode during the first predetermined time.
  • a positive voltage pulse is applied to the Y sustain electrode of a discharge cell and simultaneously a negative voltage pulse is applied to the Z sustain electrode during a first predetermined time
  • a ground voltage is applied to both the Y and Z sustain electrodes during a second predetermined time.
  • the negative voltage pulse is applied to the Y sustain electrode and simultaneously the positive voltage pulse is applied to the Z sustain electrode.
  • FIG. 6 shows charges accumulated on each electrode of the plasma display panel when applying sustain discharge pulses to the sustain electrodes as shown in FIG. 4 .
  • FIG. 6 shows the case where the size of the negative voltage pulse applied to the Y and Z sustain electrodes is greater than that of the positive voltage pulse applied thereto, whereas the charges accumulated on the address electrode (X electrode) are negative charges.
  • the negative charges relatively more than the positive charges are accumulated on the address electrode (X electrode) by the negative voltage pulse which is greater than the positive voltage pulse.
  • the positive charges less than the accumulated negative charges are accumulated, which results in accumulating the negative charges on the whole.
  • FIG. 7 shows charges accumulated on each electrode of the plasma display panel when applying the sustain discharge pulses to the sustain electrodes as shown in FIG. 4 .
  • FIG. 7 shows the case where the size of the positive voltage pulse applied to the Y and Z sustain electrodes is greater than that of the negative voltage pulse applied thereto. That is, the charges accumulated to the address electrode (X electrode) are positive charges but the amount of the positive charges accumulated on the address electrodes in the embodiment according to the present invention is less than the amount of the positive charges accumulated on the address electrodes in the conventional driving method. As a result, the influence on the phosphors by the accumulated positive charges can be reduced.
  • both the two driving methods shown in FIGS. 4 and 5 may be carried out and used together.
  • the discharge cells in an odd field drive the sustain electrodes by the driving method shown in FIG. 4 and the discharge cells in an even field drive the sustain electrodes by the driving method shown in FIG. 5 .
  • the charges accumulated on the address electrodes can be neutralized. That is, the negative charges are accumulated on the address electrodes in the odd field, and the positive charges are accumulated on the address electrodes in the even field such that the positive and the negative charges are altogether offset and neutralized.
  • the positive charges are prevented from being accumulated on the address electrodes by applying voltage pulses having different polarities and sizes to a pair of sustain electrodes of the plasma display panel. As a result, it is effective to prolong the life span of the plasma display panel and improve luminous efficiency thereof.
  • the negative voltage pulse is used as the sustain discharge pulse, such that a rising time and a falling time of the pulse become fast to effectively reduce a reactive power.
  • both the negative and positive voltage pulses are used altogether as the sustain discharge pulse while sustaining the discharge. As a result, it is effective to lower the sustain discharge driving voltage.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Control Of Gas Discharge Display Tubes (AREA)
US11/069,942 2004-03-05 2005-03-03 Driving method for plasma display panel Expired - Fee Related US7515117B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2004-0015057 2004-03-05
KR1020040015138A KR101022116B1 (ko) 2004-03-05 2004-03-05 플라즈마 디스플레이 패널 구동 방법

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KR100806490B1 (ko) * 2001-06-12 2008-02-21 마츠시타 덴끼 산교 가부시키가이샤 플라즈마 디스플레이 장치 및 그 구동방법
KR101022116B1 (ko) * 2004-03-05 2011-03-17 엘지전자 주식회사 플라즈마 디스플레이 패널 구동 방법
KR100598184B1 (ko) * 2004-04-09 2006-07-10 엘지전자 주식회사 플라즈마 표시 패널의 구동 장치
KR100705290B1 (ko) * 2004-05-19 2007-04-10 엘지전자 주식회사 플라즈마 표시 패널의 구동 장치
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US7551150B2 (en) 2009-06-23
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KR101022116B1 (ko) 2011-03-17
US20050195134A1 (en) 2005-09-08
KR20050089636A (ko) 2005-09-08

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